1. Department of ChemistryUniversity of Otago PO Box 56 Dunedin 9054
2. Department of Pathology Dunedin School of MedicineUniversity of Otago PO Box 56 Dunedin 9054
3. MacDiarmid Institute for Advanced Materials and Nanotechnology New Zealand
4. Department of Pharmacology and ToxicologyUniversity of Otago PO Box 56 Dunedin 9054 New Zealand